.
1.
is the build up over time of a chemical in a living organism.
a. Commensalism b. Parasitism
c. Metabolism
d.
Biomagnification
2. In the ocean, when sponges increase in number takes the needed food source of the
corals. As sponges live on the reefs, when corals die due to shortage of resources so
will they. This is an example of
a. Mutualism b. Parasitism
c. Predation
d. Competition
3. Mosquitoes biting human for food (blood) is an example of
a. Commensalism b. Parasitism
c. Mutualism
d. Predation
4.
is a type of decomposer that causes decay by releasing enzymes
onto the dead animal or plant.
a. Saprophytes b. Detritivores c. Fungi
d. Bacteria
5. Orcas are on the apex of the food chain. Its relationship with other organisms below
it is considered harmful but still, it part of the food chain. The relationship is called
6.
is the portion of the earth in which all LIFE exists.
a. Competition b. Mutualism c. Predation
d. Parasitism
7. A group of birds called Barred Rail or Tikling found the mini forest is considered a
a. Community
b. Population c. Biosphere
d.
Ecosystem
8. Coral reefs are homes to various marine organisms. Coral reefs are
a. Biosphere c. Population c. Community d. Ecosystem
9. Which of the following is considered the top of the food chain?
a. 8-year old boy
b. grass
C. carabao
d. lion
10.
are organisms that eat other animals.
a. Hervibores b. Omnivores C. Carnivores
d. Producers​